package com.woniuxueyuan01;

public class Test02 {
    public static void main(String[] args) {
        String s1 = "aaa";
        System.out.println(s1);
        s1 = "bbb";
        System.out.println(s1);
        s1 = "ccc";
        System.out.println(s1);
    }
}
